saving intermediate state

rowers/utils.py

@@ -1164,3 +1164,53 @@ def request_is_ajax(request):
     #    is_ajax = True
 
     return is_ajax
+
+def intervals_to_string(vals, units, typ):
+    if vals is None or units is None or typ is None:
+        return ''
+    if len(vals) != len(units) or len(vals) != len(typ):
+        return ''
+
+    s = ''
+    previous = 'rest'
+    for i in range(len(vals)):
+        if typ[i] == 'rest' and previous == 'rest':
+            if units[i] == 'min':
+                val = int(vals[i])*60
+                unit = 'sec'
+            else:
+                val = int(vals[i])
+            if units[i] == 'meters':
+                unit = 'm'
+            if units[i] == 'seconds':
+                unit = 'sec'
+            s += '+0min/{val}{unit}'.format(val=val,unit=unit)
+        elif typ[i] == 'rest':
+            if units[i] == 'min':
+                val = int(vals[i])*60
+                unit = 'sec'
+            else:
+                val = int(vals[i])
+            if units[i] == 'meters':
+                unit = 'm'
+            if units[i] == 'seconds':
+                unit = 'sec'
+            s += '/{val}{unit}'.format(val=val,unit=unit)
+            previous = 'rest'
+        else: # work interval
+            if units[i] == 'min':
+                val = int(vals[i])*60
+                unit = 'sec'
+            else:
+                val = int(vals[i])
+            if units[i] == 'meters':
+                unit = 'm'
+            if units[i] == 'seconds':
+                unit = 'sec'
+            s += '+{val}{unit}'.format(val=val,unit=unit)
+            previous = 'work'
+
+    if s[0] == '+':
+        s = s[1:]
+
+    return s